GRC yog dab tsi?GFRC zoo ib yam li chopped fiberglass (hom siv los tsim lub nkoj hulls thiab lwm cov duab peb sab), txawm tias tsis muaj zog.Nws yog tsim los ntawm kev sib xyaw ntawm cov xuab zeb zoo, cement, polymer (feem ntau yog acrylic polymer), dej, lwm yam admixtures thiab alkali-resistant (AR) gl ...
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